procps/testsuite/vmstat.test/vmstat.exp

#
# Dejagnu tests for vmstat - part of procps

set vmstat "${topdir}vmstat"

# Run vmstat with no arguments
set test "vmstat with no arguments"
spawn $vmstat
expect_pass "$test" "^procs\[ -\]+memory\[ -\]+swap\[ -\]+io\[ -\]+system\[ -\]+cpu\[ -\]+\\s*r\\s+b\\s+swpd\\s+free\\s+buff\\s+cache\\s+si\\s+so\\s+bi\\s+bo\\s+in\\s+cs us sy id wa\\s*\(\\s+\\d+\){16}\\s*$"

set test "vmstat with -a flag"
spawn $vmstat -a
expect_pass "$test" "^procs\[ -\]+memory\[ -\]+swap\[ -\]+io\[ -\]+system\[ -\]+cpu\[ -\]+\\s*r\\s+b\\s+swpd\\s+free\\s+inact\\s+active\\s+si\\s+so\\s+bi\\s+bo\\s+in\\s+cs us sy id wa\\s*\(\\s+\\d+\){16}\\s*$"

set test "vmstat fork option"
spawn $vmstat -f
expect_pass "$test" "^\\s+\\d+ forks\\s*$"

set test "vmstat slabinfo (-m option)"
spawn $vmstat -m
expect_pass "$test" "^Cache\\s+Num\\s+Total\\s+Size\\s+Pages\\s+\(\[\(\)A-Za-z0-9_-\]+\\s+\\d+\\s+\\d+\\s+\\d+\\s+\\d+\\s*\){1,}"


set test "vmstat disk information (-d option)"
spawn $vmstat -d
expect_pass "$test" "^disk\[ -\]+reads\[ -\]+writes\[ -\]+IO\[ -\]+\\s+total\\s+merged\\s+sectors\\s+ms\\s+total\\s+merged\\s+sectors\\s+ms\\s+cur\\s+sec\\s+"

# Need a partition
set diskstats [ exec cat /proc/diskstats ]
regexp "\\s+\\d+\\s+\\d+\\s+\(\[a-z\]+\\d+\)" $diskstats -> partition
set test "vmstat partition (using $partition)"
spawn $vmstat -p $partition
expect_pass "$test" "^${partition}\\s+reads"
#\\s+read sectors\\s+writes\\s+requested writes"
#\(\\s+\\d+\){4}\\s*$"